CVE-2023-2861

MEDIUM

QEMU - Privilege Escalation

Title source: llm

Description

A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. The 9pfs server did not prohibit opening special files on the host side, potentially allowing a malicious client to escape from the exported 9p tree by creating and opening a device file in the shared folder.

References (5)

Scores

CVSS v3 6.0
EPSS 0.0004
EPSS Percentile 12.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Classification

CWE
CWE-284
Status published

Affected Products (1)

qemu/qemu < 8.1.0

Timeline

Published Dec 06, 2023
Tracked Since Feb 18, 2026